For Ceanothus
Brizicky, G.K. 1964a. The genera of Celastrales in the southeastern United States J. Arnold Arb. 45: 206-234.
Coile, N.C. 1988. Taxonomic studies on the deciduous species of Ceanothus L. (Rhamnaceae). Ph.D. dissertation, Univ. of Georgia, Athens.
Fross, D., and D. Wilken. 2006. Ceanothus. Timber Press, Portland, OR. 272 pp.
Medan & Schirarend. 2004. In Kubitzki, K., ed. 2004. The families and genera of vascular plants. VI. Flowering plants – Dicotyledons – Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer, Berlin. 489 pp.
Schmidt, C.L., and D.H. Wilken. 2016. Ceanothus. In Flora of North America Editorial Committee. 2016. Flora of North America north of Mexico. Volume 12, Magnoliophyta: Vitaceae to Garryaceae. Oxford Univ. Press, New York, NY. 603 pp.
Cite as...